English verb conjugation
COULD REFORTIFY

Regular verb: refortify - refortified - refortified

Affirmation

Simple form	V-ing form
I could refortify you could refortify he could refortify we could refortify you could refortify they could refortify	I could be refortifying you could be refortifying he could be refortifying we could be refortifying you could be refortifying they could be refortifying
Perfect	V-ing perfect
I could have refortified you could have refortified he could have refortified we could have refortified you could have refortified they could have refortified	I could have been refortifying you could have been refortifying he could have been refortifying we could have been refortifying you could have been refortifying they could have been refortifying

Negation

Simple form	V-ing form
I could not refortify you could not refortify he could not refortify we could not refortify you could not refortify they could not refortify	I could not be refortifying you could not be refortifying he could not be refortifying we could not be refortifying you could not be refortifying they could not be refortifying
Perfect	V-ing perfect
I could not have refortified you could not have refortified he could not have refortified we could not have refortified you could not have refortified they could not have refortified	I could not have been refortifying you could not have been refortifying he could not have been refortifying we could not have been refortifying you could not have been refortifying they could not have been refortifying

Interrogative form

Simple form	V-ing form
could I refortify? could you refortify? could he refortify? could we refortify? could you refortify? could they refortify?	could I be refortifying? could you be refortifying? could he be refortifying? could we be refortifying? could you be refortifying? could they be refortifying?
Perfect	V-ing perfect
could I have refortified? could you have refortified? could he have refortified? could we have refortified? could you have refortified? could they have refortified?	could I have been refortifying? could you have been refortifying? could he have been refortifying? could we have been refortifying? could you have been refortifying? could they have been refortifying?

Interro-negative form

Simple form	V-ing form
could I not refortify? could you not refortify? could he not refortify? could we not refortify? could you not refortify? could they not refortify?	could I not be refortifying? could you not be refortifying? could he not be refortifying? could we not be refortifying? could you not be refortifying? could they not be refortifying?
Perfect	V-ing perfect
could I not have refortified? could you not have refortified? could he not have refortified? could we not have refortified? could you not have refortified? could they not have refortified?	could I not have been refortifying? could you not have been refortifying? could he not have been refortifying? could we not have been refortifying? could you not have been refortifying? could they not have been refortifying?